package com.hhit.collaborative_learning.communication;

import java.io.IOException;
import java.sql.Connection;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONObject;

import com.hhit.collaborative_learning.dao.CoopTalkDao;
import com.hhit.collaborative_learning.dao.CoopTalkReplyDao;
import com.hhit.collaborative_learning.dao.impl.CoopTalkDaoImpl;
import com.hhit.collaborative_learning.dao.impl.CoopTalkReplyDaoImpl;
import com.hhit.collaborative_learning.utils.DBAccess;
import com.hhit.collaborative_learning.utils.ResponseUtil;
import com.mysql.jdbc.StringUtils;

/**
 * Servlet implementation class DeleteCoopTalkServlet
 */
@WebServlet("/communication/DeleteCoopTalkServlet")
public class DeleteCoopTalkServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public DeleteCoopTalkServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		String talk_id = request.getParameter("talk_id");
		String isSuccess = "false";
		JSONObject jobj = new JSONObject();
		Connection con = DBAccess.getInstance().getConn();
		CoopTalkReplyDao tr = new CoopTalkReplyDaoImpl();
		CoopTalkDao td = new CoopTalkDaoImpl();
		if (!StringUtils.isNullOrEmpty(talk_id)) {
			int rtr = tr.delete(con, " ct_id=" + talk_id);
			int rt = td.delete(con, " ID=" + talk_id);
			if (rt != 0) {
				isSuccess = "true";
			}
		}
		jobj.put("isSuccess", isSuccess);
		try {
			ResponseUtil.write(response, jobj.toString());
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			DBAccess.getInstance().close(con, null, null);
		}
	}

}
